The DF4NW Convertible (three-in-one) Morse Key

DPMA Reg.-No 20 2015 001 527.1 (German Patent Authorities)

DPMA Reg.-No 20 2014 000 796.9 (German Patent Authorities)










Basic Version without the K16 CW Processor - Price: EUR 120.00

Video Clip (4.4 MB): Demo to convert the Key into its 3 different modes

Video Clip (3.62 MB): Morse Key Convertible (three-in-one)

For more Info (PDF 7.35 KB) click here










1. Fitted with the K16 CW Processor - Price: EUR 165.00

    User Instruction for the K16 Version


2. Without K16 memory facilities - Price: EUR 140.00

    User Instruction for the Limited Version


Specification of Major Parts:

- Base Plate, Casings, K16 Cover, Curled Screws and -Nuts (Stainless Steel)

- Key Levers, (Aluminum Anodized)

- Paddles (Carbon Fiber)

- Magnetic Repulsation of Paddles/Levers

- Contacts (Stainless Steel, Brass, Gold Plated)

- Weight: 1 Kg


Video Clip (3.18 MB): Morse Key Convertible fitted with K1EL's K16-BAT

Click here to see: Documentation of the K1EL Morse Code Processor K16

Something about: Iambic Key Mode 'A' or 'B' by WB9KZY

HamCall.Net: Comment of  VP8SGI


DDS VFO by N4YG * Up-Converter, 2nd Mixer, IF Switching Board by DK2OQ

New Style Frequency Display, RX-Pre-Amplifier, PA (2x RD100HHF1) by DF4NW, Show PA



New Style TR-7/R-7 Replacement Display

DPMA Reg.-No 20 2005 014 824.5 (German Patent Authorities)


A single unit consists of 6 digits and is designed to replace the original 2+4 digit unit.


Character height .39" (9.9mm)

Price per kit (RED, GREEN or YELLOW): EUR 40,00


BLUE: Limited Quantity Available !!!

Price per kit: EUR 45.00


Specify LED colour when ordering

Shipping charges see below.


One kit consists of:

- Display board

- Right angle connector - split unit

- Filter foil - SMOKE colour 

  Supplied in 2 different shades

  Suitable for all LED colours

For additional Installation Instructions click here.


TR-7 Pre-Amplifier


All on one PC-Board

The board contains a pre-amplifier and gain selecting device.

With a touch contact switch a gain of 0dB, 6dB or 12dB can be selected.

A multi coloured LED can be connected to indicate the amplifier's actual switched-on gain.


The LED and self-adhesive  PRE-AMP. label, to paste over the .STORE  imprint on the upper panel, is supplied.


Frequency range: 1.8 to 30MHz

Size (HWL): 10x50x65mm


Price: EUR 48.00

Shipping charges see below.

For more info refer to the Installation Instructions

Click here to read about the History of the Pre-Amplifier


 TR-7 Escutcheon

Limited Quantity Available!

Inscription (A, Split, B) engraved

Price: EUR 12.00

Shipping charges see below.








Limited Quantity Available!


This is a copy of an original PROM U9003, 6300J on the DR7 board.


Price: EUR 40.00

Shipping charges see below.







Click here for comments of:

IK1AUS - Luka's TR7  with New Style Display and Pre-Amplifier

N9OO - TR7 with Blue LED Back Light and multi colour Display

NUC - Jim's all Blue TR7

PY2ATI - Carlos' Drake Line

PA1HFO - Marc's modernized TR7

DL7MAJ - Stefan's Drake Line with the Red New Style .39" Display

HB9DUT - Peter's all Blue Drake Line

PARCL - Ron's re-furbished TR7

WI6R - Dave, I love my new display on the Drake TR7

F6CHT - Joel's TR7 with the New Style Display


Shipping, packing and handling charges to be added:

Worldwide: EUR 8,00

Europe: EUR 5,50

Germany: EUR 4,00

For Payment through PayPal click button below: