Summary of the content on the page No. 1
User Manual
A50-52113-00003
ULTRABASS BVT4500H/BVT5500H
Summary of the content on the page No. 2
ULTRABASS BVT4500H/BVT5500H 1) Read these instructions. Important Safety Instructions 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. 6) Clean only with dry cloth. 7) Do not block any ventilation openings. Install in accor- This symbol, wherever it appears, alerts you to the dance with the manufacturer’s instructions. presence of uninsulated dangerous voltage inside the * enclosure - voltage that may be sufficient to cons
Summary of the content on the page No. 3
ULTRABASS BVT4500H/BVT5500H Foreword Table of contents 1. Introduction ......................................................................... 4 Dear customer, 1.1 The Design Concept .................................................... 4 Welcome to the team of 1.2 Before you get started .................................................. 4 ULTRABASS users and thank you very much for 1.2.1 Shipment ............................................................. 4 expressing your confi- 1.2.2 I
Summary of the content on the page No. 4
ULTRABASS BVT4500H/BVT5500H + Blown fuses must be replaced by fuses of the correct 1. Introduction rating! Please refer to the "SPECIFICATIONS" section for the applicable rating. With the BVT4500H/5500H you have acquired a pro-level amplifier from our ULTRABASS series. This classic bass amp combines an uncompromising, “cutting-through” sound with a full range of CAUTION! sound-shaping features. + Before changing the fuse, switch off the device and pull the plug to avoid electric shock or
Summary of the content on the page No. 5
ULTRABASS BVT4500H/BVT5500H 2. Front panel Fig. 2.1: BVT4500H front panel Fig. 2.2: BVT5500H front panel This section describes how to use the front panel of the BVT4500H {8} GAIN control: Use this control to boost or cut the level of the and the BVT5500H, illustrated on the previous page and above. input signal. {1} POWER switch: Use the POWER switch to turn on your {9} PEAK LED: At various points in the signal path, the BVT BVT4500H/5500H. The POWER switch should always be monitors the le
Summary of the content on the page No. 6
ULTRABASS BVT4500H/BVT5500H To emphasize a tone, you can turn the relevant tone control (16) LEVEL fader (BVT5500H only): To compensate possible toward 10 (maximum boost). Alternatively, you might con- level changes of the equalized signal, slide this control sider lowering adjacent bands. To de-emphasize a tone, between +12 and -12. At “0” level, the BVT5500H neither you can turn the relevant tone control toward 0 (maximum boosts nor cuts the equalized signal. cut). (17) EFFECTS MIX co
Summary of the content on the page No. 7
ULTRABASS BVT4500H/BVT5500H + Your speaker cabinets should have a sufficient power 4. About speaker impedance rating (BVT4500H: > 450 W, BVT5500H: > 550 W) and preferably a total impedance of 4 Ω or higher. Too high The total impedance of the speakers that you connect to the a load impedance will decrease the output power rat- BVT affects the power output of the BVT. The minimum speaker ing of the power stage. For details, refer to the chapter impedance is 4 Ω. When the total load is 4 Ω,
Summary of the content on the page No. 8
ULTRABASS BVT4500H/BVT5500H 5. Setup example 6. The signal path The following illustration provides an example of how to set up This section provides what you need to know to effectively use the BVT5500H. the BVT control elements and connection jacks. For an overview of the possible paths your signal may take, refer to the illustration in the section “SYSTEM BLOCK DIAGRAM”. In general, the signal path of the BVT can be split into two phases: 1) Pre-Amplification, which starts at the INPUT ja
Summary of the content on the page No. 9
ULTRABASS BVT4500H/BVT5500H 6.4 EFFECTS LOOP 7. Audio connectors The EFFECTS LOOP section can be used in three ways: This section illustrates the audio connectors that you need for the BVT jacks. For details about most BVT jacks, see the section 6.4.1 SEND and RETURN “REAR PANEL”. For details about the INPUT jack, see the section PURPOSE: To create an effects loop, i.e., to apply external ef- “FRONT PANEL”. fects to the signal. RESULTS: If you use the: = BVT4500H, only the audio signal that
Summary of the content on the page No. 10
ULTRABASS BVT4500H/BVT5500H 8. System block diagram Fig. 8.1: BVT4500/5500H block diagram (Rectangles represent control elements, ovals represent jacks.) 10 System block diagram
Summary of the content on the page No. 11
ULTRABASS BVT4500H/BVT5500H Power supply 9. Specifications BVT4500H Power consumption 100 V~ 50/60 Hz: 6 A; 120 V~ 60 Hz: Audio Inputs 5 A; 220 V~ 50/60 Hz: 3 A; 230 V~ BVT4500H 50/60 Hz: 3 A Input ¼" mono jack, unbalanced (0 dB) Mains voltage / Fuse Input impedance approx. 1 MΩ, unbalanced (pad 82 kΩ, 100/120 V~ (50/60 Hz) T 10 A H 250 V unbalanced) 220/230 V~ (50/60 Hz) T 6.3 A H 250 V Return ¼" mono jack, unbalanced Mains connector Standard IEC receptacle Input impedance approx. 100 kΩ, un
Summary of the content on the page No. 12
ULTRABASS BVT4500H/BVT5500H 2. If the product needs to be modified or adapted in order to comply 10. Warranty with applicable technical or safety standards on a national or local level, in any country which is not the country for which the product was § 1 Other warranty rights and national law originally developed and manufactured, this modification/adaptation 1. This warranty does not exclude or limit the buyer’s statutory rights shall not be considered a defect in materials or workmans
