Name: 1640SE
Brand: Hammond Manufacturing
SKU: 1640SE
Availability: InStock
Rating: 5 (193 reviews)

1640SE

For Reference Only

Part Number	1640SE
Manufacturer	Hammond Manufacturing
Description	TRANSFRMR AUDIO 1.25K IMED 25W
Datasheet	1640SE Datasheet 1640SE Specifications
Package	-
ECAD
In Stock	2,034 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 1640SE (Audio Transformers) is manufactured by Hammond Manufacturing and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 1640SE specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1640SE with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1640SE.

1640SE Specifications

Manufacturer	Hammond Manufacturing
Category	Transformers - Audio Transformers
Package	-
ECAD
Series	1600
Turns Ratio - Primary:Secondary	-
Impedance - Primary (Ohms)	11.25k
Impedance - Secondary (Ohms)	4, 8, 16
DC Resistance (DCR) - Primary	-
DC Resistance (DCR) - Secondary	-
Transformer Type	Single Ended Audiophile, Ultra-Linear - Tube Output
Frequency Range	20Hz ~ 20kHz
Frequency Response	±1dB
Voltage - Isolation	-
Insertion Loss	±1dB
Return Loss	-
Power Level	25W
Operating Temperature	-
Approvals	-
Mounting Type	Chassis Mount
Size / Dimension	5.000" L x 3.750" W (127.00mm x 95.20mm)
Height - Seated (Max)	4.560" (115.82mm)
Termination Style	Wire Leads

1640SE Datasheet

1640SE Reviews

Dana*****wart

March 31, 2023

★ ★ ★ ★ ★

All current moves in switching devices with the proper selection of amp rating capability. I chose these to do a job that had to handle only 1/3 of it's rated capacity. So they were the perfect choice. To date they work as expected; perfectly.

Gann*****ucero

March 27, 2023

★ ★ ★ ★ ★

The order process is easy and user friendly, very helpful customer service, always fast shipping.

Brig*****harma

March 25, 2023

★ ★ ★ ★ ★

Excellent Seller,great product and Super Fast Shipping! Highly recommended A+++

Aden*****ntosh

March 12, 2023

★ ★ ★ ★ ★

Excellent service over extended period of time. Incredibly fast shipping, never any errors. Couldn't be more pleased.

Luc*****ittle

March 11, 2023

★ ★ ★ ★ ★

I took time to note down but perfect after several months of use

Shmu*****andal

March 9, 2023

★ ★ ★ ★ ★

I tested some and all look good.

Fai*****Toor

March 7, 2023

★ ★ ★ ★ ★

Replaced a diode in my distortion pedal. Sounds different (lower growl) but in a good way...LOL!

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1640SE Packaging

1640SE FAQ

1. How to order 1640SE on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that 1640SE is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 1640SE. All suppliers must pass our qualification reviews before they can publish their products including 1640SE on Heisener; we pay more attention to the channels and quality of 1640SE products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1640SE price and inventory displayed accurate?

The price and inventory of 1640SE fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of 1640SE?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 1640SE we delivered, we will accept the replacement or return of the 1640SE only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 1640SE.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as 1640SE pin diagram, 1640SE datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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1640SE Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

1640SEA

D# 70316996

Hammond Manufacturing

single end audiophile tube output transformer

RoHS: Compliant

DRC16-40SE

D# 71443496

TE Connectivity

Circular Connector, Plug 40P ASM DEUTSCH DRC Series

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

1640SEA

D# V99:2348_19781830

Hammond Manufacturing

Audio Transformer 2000Vrms 28Ohm Prim. DCR 0.414Ohm/0.520Ohm/0.728Ohm Sec. DCR 7 Terminal Wire Lead Flange Mount

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

1640SE

Hammond Manufacturing

AUDIO TRANSFORMER

1640SEA

Hammond Manufacturing

AUDIO TRANSFORMER

Part Number	Manufacturer	Description	Stock
1640SEA D# HM4283-ND	Hammond Manufacturing	AUDIOPHILE TUBE OUTPUT TRANSFRMR	3
1640SE D# 1640SE-ND	Hammond Manufacturing	TRANSFRMR AUDIO 1.25K IMED 25W	0
DRC16-40SE D# 1734-1747-ND	TE Connectivity	CONN PLUG HSG 40POS	0

Part Number

Manufacturer

Description

Stock

DRC1640SE

TE Connectivity

OEM/CM QUOTES ONLY | NO BROKERS

1640SEA

Hammond Manufacturing

OEM/CM QUOTES ONLY | NO BROKERS

Part Number

Manufacturer

Description

Stock

DRC1640SE

TE Connectivity

OEM/CM ONLY

606

Part Number

Manufacturer

Description

Stock

DRC16-40SE

TE Connectivity

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

DRC16-40SE

D# 571-DRC16-40SE

TE Connectivity

Automotive Connectors 40P PLUG ASM

RoHS: Compliant

273

1640SEA

D# 546-1640SEA

Hammond Manufacturing

Audio Transformers / Signal Transformers Audio 1End TubeOut 1.25K Ohm 30W 200mA

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

1640SEA

D# 61K2315

Hammond Manufacturing

AUDIO TRANSFORMER

RoHS: Not Compliant

Min Qty: 1

Container: Bulk

Part Number	Manufacturer	Description	Stock
1640SE D# NS-1640SE	Hammond Manufacturing	OEM/CM ONLY	7699
1640SEA D# NS-1640SEA	Hammond Manufacturing	OEM/CM ONLY	1569
W91640 SERIES D# NS-W91640 SERIES	Winbond Electronics	OEM/CM ONLY	2173

Part Number

Manufacturer

Description

Stock

1640SEA

Hammond Manufacturing

single end audiophile tube out

Part Number

Manufacturer

Description

Stock

DRC16-40SE

TE Connectivity

Automotive Connectors 40P PLUG ASM

Quick Inquiry

1640SE

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