---
title: "ZX-21 Metered Cassette Interface"
id: 14740
type: "product"
slug: "zx-21"
url: "http://localhost/product/zx-21/"
markdown_url: "http://localhost/product/zx-21.md"
published_at: "2019-11-30T01:21:19+00:00"
modified_at: "2026-03-22T13:20:22+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Cassette loading interface with VU meter. Reduce program load errors to a minimum by pre-setting your tape recorder to the level that is compatible with the computer."
category:
  - name: "Tape"
    slug: "tape"
    taxonomy: "category"
    url: "http://localhost/category/hardware/tape/"
post_tag:
  - name: "data-assette"
    slug: "data-assette"
    taxonomy: "post_tag"
    url: "http://localhost/tag/data-assette/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
genre:
  - name: "Hardware"
    slug: "hardware"
    taxonomy: "genre"
    url: "http://localhost/type/hardware/"
  - name: "Tape"
    slug: "tape"
    taxonomy: "genre"
    url: "http://localhost/type/tape/"
company:
  id: 10798
  title: "Data-assette"
  type: "company"
  url: "http://localhost/company/data-assette/"
price: 19.95
date: 1982
rarity: "Uncommon"
articles:
  - article:
      id: 24415
      title: "Extending Your Computer"
      type: "article"
      url: "http://localhost/article/extending-your-computer/"
companies_products:
  - id: 10798
    title: "Data-assette"
    type: "company"
    url: "http://localhost/company/data-assette/"
---

# ZX-21 Metered Cassette Interface

Cassette loading interface with VU meter. Reduce program load errors to a minimum by pre-setting your tape recorder to the level that is compatible with the computer.