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Related Manuals for Tube-Town LND150 FX-Loop
Summary of Contents for Tube-Town LND150 FX-Loop
- Page 1 LND150 FX-Loop Serial FX-Loop PCB Version V1-Rev C – Date: 19.06.2019...
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Page 2: Table Of Contents
Layout and Connections......................4 PCB Size..........................5 Mounting..........................5 List of Components.......................6 General hints for integration......................7 Input Voltage Divider......................7 Insert Example I.........................8 Insert Example II........................9 True Bypass..........................10 Loop in parallel mode......................11 Test Points..........................12 AVR ISP Tube-Town GmbH - www.tube-town.net Seite 2... -
Page 3: Introduction
FX-Loop Module LND150 Introduction The Tube-Town FX-Loop is an active effect loop designed as retrofit kit for tube amplifiers for guitar or bass guitar. The module works with the typically high supply voltage in a tube amplifier (DANGER TO LIFE) and is powered by the power supply of the amplifier. By using two LND150, the power consumption is very low. -
Page 4: Specification
InB input signal level: 1 - 15 Vpp InB maximum input: 20 Vpp InA input signal level: 20 - 40 Vpp InA maximum input: 40 Vpp Supply voltage: 250 - 400 VDC Layout and Connections Tube-Town GmbH - www.tube-town.net Seite 4... -
Page 5: Pcb Size
FX-Loop Module LND150 PCB Size Mounting Tube-Town GmbH - www.tube-town.net Seite 5... -
Page 6: List Of Components
330 Ohm 100 kOhm / 2W 1 kOhm / 2W R13, R14 Depending on use* ZD1 - ZD4 BZX85C18 P1 (Send) 100 kOhm P2 (Return) 500 kOhm * see the following paragraph „input voltage divider“ Tube-Town GmbH - www.tube-town.net Seite 6... -
Page 7: General Hints For Integration
1 MOhm 100 kOhm ca. 1:10 1,5 MOhm 100 kOhm ca. 1:15 2,2 MOhm 100 kOhm ca. 1:22 C7 is optional, if the loop sounds too bright in your configuration try removing this capacitor. Tube-Town GmbH - www.tube-town.net Seite 7... -
Page 8: Insert Example I
Other configurations are possible as long as the maximum signal level is not exceeded. Input: Use Input InA for Signal levels from 20 - 40 Vpp or Input InB for signal levels from 1 - 15 Vpp. Tube-Town GmbH - www.tube-town.net Seite 8... -
Page 9: Insert Example Ii
FX-Loop before the master volume in a Jim HP amplifier. Other configurations are possible as long as the maximum signal level is not exceeded. We recommend a value of 1,5 MOhm - 2,2 MOhm for R14 on the loop pcb in this configuration. Tube-Town GmbH - www.tube-town.net Seite 9... -
Page 10: True Bypass
With an optional switch it is possible to install a true bypass for the effect loop and take it out of the signal chain when not in use. This can also be realized with a relay, for example with the relay switching kit with the article number kit-chsw2-6. Tube-Town GmbH - www.tube-town.net Seite 10... -
Page 11: Loop In Parallel Mode
Please note: Some effect units change the phase of the signal. This can lead to phase cancellations if the effect signal is out of phase whit the dry signal. Tube-Town GmbH - www.tube-town.net Seite 11... -
Page 12: Test Points
FX-Loop Module LND150 Test Points Example measurements with a supply voltage of 370 VDC applied. Tube-Town GmbH - www.tube-town.net Seite 12...
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